Question: A rumor spreads through a school with 1000 students. At 8 am, 80 students have heard the rumor, and by noon, half the school has

A rumor spreads through a school with 1000 students. At 8 am, 80 students have heard the rumor, and by noon, half the school has heard it. Using the logistic model of Exercise 8, determine when 90% of the students will have heard the rumor.

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